{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949873,-0.312637,0.000000,0.000000,0.174735,-0.530890,0.829231,0.000000,-0.258702,0.786005,0.561489,0.000000,-1651782.418004,5018545.859744,3561036.430799,1],    "boundingVolume": {    "region": [1.888679,0.596081,1.888850,0.596286,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1436412.b3dm"}}}